There are 134 Auto Parts & Accessories Stores in Ada County, Idaho, serving a population of 435,117 people in an area of 1,053 square miles. There is 1 Auto Parts & Accessories Store per 3,247 people, and 1 Auto Parts & Accessories Store per 7 square miles.
In Idaho, Ada County is ranked 34th of 44 counties in Auto Parts & Accessories Stores per capita, and 1st of 44 counties in Auto Parts & Accessories Stores per square mile.